Featured
QCX+ 5W CW transceiver
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this option, your order shipment will be delayed until the QLG2 module kits are availa..
$55.00
QCX-mini 5W CW transceiver
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this option, your order shipment will be delayed until the QLG2 module kits are availa..
$55.00
Deluxe 6-band U3S set
NOTE: The QLG2 GPS is out of stock until end-March 2021. Therefore the Deluxe 6-band U3S set will not ship until end-March 2021. If this is not acceptable, please order the items separately without QL..
$134.20
Ultimate3S QRSS/WSPR kit
NOTE: The QLG2, Receiver and Polyphase module kits are currently out of stock, estimated availability is end-March 2021. If you order these options, your order shipment will be delayed until the QLG2,..
$33.20
VFO/Signal Generator kit
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this option, your order shipment will be delayed until the QLG2 module kits are availa..
$33.20
Clock kit
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this option, your order shipment will be delayed until the QLG2 module kits are availa..
$19.20
QLG2 GPS Receiver module kit
GPS Receiver module kit, including patch antenna. This is a kit for a GNSS receiver that covers not just the United States GPS satellite network, but also Galileo (Europe), GLONASS (Russia) an..
$23.00
10W HF Linear PA
10W HF Linear Power Amplifier. Comfortably produces 10W from 12V supply. Compact design with huge heatsink included, which will not overheat even on continuous 100% duty-cycle operation. 26dB gain wit..
$26.00
5W HF PA kit
This 5W HF PA kit features an IRF510 MOSFET as the amplifier. But it also includes a discrete component power modulator (like a voltage regulator), which is controlled by an 8-bit Digital to Analogue ..
$20.00
50W PA for QCX
This 50W Power Amplifier kit can be built for any single band of 80m, 40m, 30m or 20m using the supplied components. There are no Surface Mount Components (SMD) to solder. A suitable power supply e.g...
$29.50
ProgRock kit
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this options, your order shipment will be delayed until the QLG2 module kits are avail..
$18.00
50-ohm 20W Dummy Load
This useful shack accessory is a 50-ohm QRP dummy load kit. Features: 20 1K 1W 1% resistors in parallel make a 20W dummy load Peak voltage detector, for power measurement using a DVM BNC con..
$8.50
Si5351A synthesizer module kit
The Si5351A is a relatively recent clock-generator chip manufactured by SiLabs. It can produce three simultaneous independent 50-ohm impedance, squarewave outputs between 8kHz and 160MHz. Configuratio..
$7.75
OCXO/Si5351A synthesizer module kit
This kit is an Oven Controlled Crystal Oscillator (OCXO) version of the standard Si5351A Synthesiser module kit. The 27MHz OCXO is kit-built, it does not use an expensive commercial OCXO component. Ye..
$16.00
Ultimate relay-switched LPF kit
This relay-switched LPF board kit can have up to five additional LPF's plugged in, permitting the Ultimate3 and Ultimate3S QRSS/WSPR kits to sequence between 6 bands (including the LPF on the main U3/..
$16.00
Low Pass Filter kit
This Low Pass Filter (LPF) kit is based on the G-QRP technical pages design by Ed Whetherhold W3NQN. Kits are available for 16 bands 2200, 600, 160, 80, 60, 40, 30, 20, 17, 15, 12, 10, 6, 4,..
$4.60
Band Pass Filter kit
This Band Pass Filter (BPF) kit is for receiver input filtering. It uses the popular double-tuned-circuit which is reliable and easy to build, without needing access to any special equipment..
$4.90
Band Pass Filter kit set
This item is a set of 10 band pass filters (BPF), one for each of the HF bands 160, 80, 60, 40, 30, 20, 17, 15, 12 and 10m. The filters are designed for receiver input filtering and use the ..
$49.00
Arduino shield kit
NOTE: The QLG2 module kits is currently out of stock, estimated availability is end-March 2021. If you order this options, your order shipment will be delayed until the QLG2 module kits are avail..
$14.00
Receiver module kit (including BPF)
NOTE: this item is out of stock currently. You may PRE-ORDER it on this page. Your entire order will be shipped together when this item is back in stock. This high performance receiver mo..
$25.00
Polyphase network kit
This polyphase network plug-in module is designed to fit the high performance receiver module, to cancel the unwanted sideband and produce a SSB output, without need for Digital Signal Processing. It ..
$11.00
Light APRS tracker
LightAPRS is the most affordable, smallest, lightest, powerful and one of few open source APRS trackers available. It makes tracking pico balloons, weather balloons, model rockets, RC aircraft, and an..
$100.00